Feathered Thorn (Colotois pennaria) | Species | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 Male. Taken at Aston, Oxon., on October 25th 2024. (© David Hastings) (1/200th sec at f11) DescriptionFamily: Geometridae (ABH : 70.244) Wing span: 38 - 46mm The male Feathered Thorn is usually orange-brown, with broadly feathered antennae. Both sexes have a slightly hooked tip to the forewing, with a slightly scalloped outer edge, and often a whiteish spot near the tip. The two cross-lines are usually conspicuous. It can be found throughout the British Isles. It is most numerous in broad-leaved woodland, also in parks and gardens. There is one generation, from mid-September to early December. It over-winters as an egg. Larvae feed on a wide range of broad-leaved trees, such as Pedunculate Oak, Hawthorn, Blackthorn, Crab-apple, Black Poplar and elms. The male comes readily to light, usually several hours after dusk. Earliest UK sighting: 21st October ; Latest UK sighting: 23rd November Sightings
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